RNase

noun

RN·​ase ˌär-ˌen-ˈās How to pronounce RNase (audio)
-ˈāz,
ˌär-ˈen-ˌās How to pronounce RNase (audio)
-ˌāz
variants or less commonly RNAase
ˌär-(ˌ)en-ˈā-ˌās How to pronounce RNase (audio)
-ˈā-ˌāz
: ribonuclease

Word History

Etymology

RNA + -ase

First Known Use

1948, in the meaning defined above

Time Traveler
The first known use of RNase was in 1948

Rhymes for RNase

See All Rhymes for RNase

Browse Nearby Words

RNA polymerase
RNase
RNA virus
See all Nearby Words

Cite this Entry

“RNase.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/RNase. Accessed 4 Jul. 2025.

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Medical Definition

RNase

noun
RN·​ase
variants or RNAase
ˌär-ˌen-ˈā-ˌās, -ˈā-ˌāz How to pronounce RNase (audio)
: ribonuclease
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